--- flac-1.3.1/configure.ac.orig	2014-11-27 03:45:33.598155763 +0100
+++ flac-1.3.1/configure.ac	2014-11-29 09:01:11.196400208 +0100
@@ -348,12 +348,9 @@
 
 if test "x$debug" = xtrue; then
 	CPPFLAGS="-DDEBUG $CPPFLAGS"
-	CFLAGS=$(echo "$CFLAGS" | sed 's/-g//')
-	CFLAGS="-g $CFLAGS"
 else
 	CPPFLAGS="-DNDEBUG $CPPFLAGS"
-	CFLAGS=$(echo "$CFLAGS" | sed 's/-O2//;s/-g//')
-	CFLAGS="-O3 -funroll-loops $CFLAGS"
+	CFLAGS="$CFLAGS -O3 -funroll-loops"
 fi
 
 XIPH_GCC_VERSION